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Optical and mechanical studies of the air/water interface and crystallisation processes

Optical and mechanical studies of the air/water interface and crystallisation processes
Optical and mechanical studies of the air/water interface and crystallisation processes
The air/water interface and crystallisation have long been challenging to study despite their crucial importance in many areas of modern science. They can be difficult to study without interfering in some way with the process being observed and once the work it can be very challenging to interpret the results which have been gathered. This work attempts to understand the air/water interface and other air/solvent interfaces using variable angle spectroscopic ellipsometry. The values of the complex refractive index which are measured give insight into the nature of these interfaces and the apparent differences between water and other solvents. Work has also been performed to study the process of crystallisation through second harmonic imaging microscopy and single crystal x ray diffraction. To bridge these two areas, p-Nitrophenol has been studied in depth, with a literature review of the surrounding work on the compound, as well as studies on the effects of irradiation on the α crystal polymorph. Finally, the growth of a p-Nitrophenol layer at the air/water interface has been studied using Langmuir Blodgettry and tensiometry to understand the rate and mechanism of the growth.
University of Southampton
Parsons, Matthew D.
44783a2b-1eac-4249-837a-6e28fc3cc2db
Parsons, Matthew D.
44783a2b-1eac-4249-837a-6e28fc3cc2db
Frey, Jeremy
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Parsons, Matthew D. (2018) Optical and mechanical studies of the air/water interface and crystallisation processes. University of Southampton, Doctoral Thesis, 144pp.

Record type: Thesis (Doctoral)

Abstract

The air/water interface and crystallisation have long been challenging to study despite their crucial importance in many areas of modern science. They can be difficult to study without interfering in some way with the process being observed and once the work it can be very challenging to interpret the results which have been gathered. This work attempts to understand the air/water interface and other air/solvent interfaces using variable angle spectroscopic ellipsometry. The values of the complex refractive index which are measured give insight into the nature of these interfaces and the apparent differences between water and other solvents. Work has also been performed to study the process of crystallisation through second harmonic imaging microscopy and single crystal x ray diffraction. To bridge these two areas, p-Nitrophenol has been studied in depth, with a literature review of the surrounding work on the compound, as well as studies on the effects of irradiation on the α crystal polymorph. Finally, the growth of a p-Nitrophenol layer at the air/water interface has been studied using Langmuir Blodgettry and tensiometry to understand the rate and mechanism of the growth.

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Published date: January 2018

Identifiers

Local EPrints ID: 422298
URI: http://eprints.soton.ac.uk/id/eprint/422298
PURE UUID: a45c964d-ccec-4bc4-ae0c-bb42a3c839a4
ORCID for Jeremy Frey: ORCID iD orcid.org/0000-0003-0842-4302

Catalogue record

Date deposited: 20 Jul 2018 16:30
Last modified: 28 Jun 2021 04:01

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Contributors

Author: Matthew D. Parsons
Thesis advisor: Jeremy Frey ORCID iD

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